New nanotechnology research means your pants may one day power your iPod.

World's fastest hybrid picks up fares in Rome.

Atlantic coast under threat as tar balls wash up in Florida Keys.

Progressive regulations will eliminate most fast food packaging from the landfill.

Stunning images of Iceland's Eyjafjallajokull volcano.

A look at 350.org's planet-scale art project for the climate.

A proposal to ban the export of the critically endangered bluefin tuna has been rejected at a UN wildlife meeting.